Home / 31,254.86-43,132.41-17,107.74

Finding the Fourth Proportional to 31,254.86, 43,132.41 and 17,107.74

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Solution

The fourth proportional to 31,254.86, 43,132.41 and 17,107.74 is: 23,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.86 : 43,132.41 = 17,107.74 : x
  2. Step 2: Convert to fraction form
    31,254.86/43,132.41 = 17,107.74/x
  3. Step 3: Cross multiply
    31,254.86x = 43,132.41 × 17,107.74
  4. Step 4: Simplify right side
    31,254.86x = 737,898,055.85
  5. Step 5: Solve for x
    x = 737,898,055.85/31,254.86
  6. Step 6: Final answer
    x = 23,609.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.